oracle全网相同数据删除(只留一条)
DELETE
FROM reg_user t1
WHERE user_name='9527008' and rowid > ( SELECT min(rowid)
FROM location t2
WHERE t1.user_name= t2.user_name);
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oracle全网相同数据删除(只留一条) DELETE FROM reg_user t1 WHERE user_name=9527008 and rowid ( SELECT min(rowid) FROM location t2 WHERE t1.user_name= t2.user_name);...
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